Why must I answer this question?

We want to protect our e-mail addresses from receiving unsolicited e-mail. E-mail harvesters (often referred to as spam bots) automatically extract e-mail addresses from web pages. Fortunately these spam bots are not able to answer questions   but you certainly are.

You are about to send an email to the email address »datensch...@mesa-development.com«.
Please answer the following simple question (digits only):
One multiplied by four equals (in digits)?


putting people in the centre
MESA creates urban masterpieces
for keenly sensed investors
for reflecting city values
for us people.
Putting people in the centre